ISRC NLA509608612
Verified recording
NLA509608612 is “Six Melodies - performed on Violin and Harp: No. 1 Rubato” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x6919da67e61a8900e2aea98b8053889d54d94e80669d7a3aaf2d72cd1ba38856 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509608612.
Recording identifiers
- ISRC
- NLA509608612
- Title
- Six Melodies - performed on Violin and Harp: No. 1 Rubato
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x6919da67e61a8900e2aea98b8053889d54d94e80669d7a3aaf2d72cd1ba38856
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:d3a74c1b7dd8875bd45a0b585b940f44c8c6761907e66694fe3ff53a79a6dd39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509608612
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Six Melodies - performed on Violin and Harp: No. 1 Rubato · Machine-readable JSON-LD